Calendar & Date Utility Tools
A comprehensive collection of specialized tools designed for holiday optimization, legal business day compliance, date arithmetic, chronological math, high-resolution printable calendars, and daily task management.
PTO Vacation Optimizer
Maximize your vacation time off by strategically bridging weekends and official federal statutory holidays to create extended 4 to 9 day getaways with minimal PTO days taken.
Age & Birthday Calculator
Calculate your precise chronological age down to years, months, and days. Discover the weekday you were born, explore lifetime milestones, and countdown to your next birthday.
Date Arithmetic Calculator
Add or subtract years, months, weeks, and days from any starting anchor date. Check landing day of the week, leap year rules, day of year numbers, and commercial notice terms.
Printable Calendar Maker
Design and print professional high-resolution monthly and yearly calendars with custom themes, moon phases, statutory federal/state holidays, and personalized events.
Statutory Business Day Calculator
Calculate exact net working business days between dates, automatically excluding all weekends and deducting statutory federal (5 U.S.C. § 6103) and state legal holidays.
Daily Planner & Task Organizer
Manage your daily agenda, deadlines, priorities, and recurring tasks with private browser LocalStorage persistence. Keep track of what is due today, tomorrow, and this week.